The 21st term of an A.P. whose first two terms are -3 and 4.

The 21st term of an A.P. whose first two terms are -3 and 4 is
(a) 17
(b) 137
(c) 143
(d) -143

Solution:

If the 2nd term of an A.P. is 13 and the 5th term is 25, then its 7th term is
(a) 30
(b) 33
(c) 37
(d) 38

Solution:

More Solutions:

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